Plays BvS Mahjong according to the "Level Two Strat"
// ==UserScript==
// @name BvS Mahjong
// @namespace taltamir
// @description Plays BvS Mahjong according to the "Level Two Strat"
// @include http*://*animecubed.com/billy/bvs/partyhouse-mahjongplay.html
// @include http*://*animecubedgaming.com/billy/bvs/partyhouse-mahjongplay.html
// @version 2.1
// @history 2.1 New domain - animecubedgaming.com - Channel28
// @history 2.0 Now https compatible (Updated by Channel28)
// @history 1.9 Rewrote dom parsing (by North)
// @history 1.8 Prevents "you are playing too fast" and slowdowns (by taltamir).
// @history 1.7 Chrome compatibility (by taltamir).
// @history 1.06 Works again (McM changed the Dora mouseover); last version by Garyzx
// @history 1.05 Hotkey now works for "Go to Next Round"
// @history 1.04 Add hotkey ('d')
// @history 1.03 Detect winds, dora, reach
// @history 1.02 Added script updater
// @history 1.01 Less fail
// @history 1.00 Initial version by Garyzx
// @grant none
// ==/UserScript==
(function () {
var tiles = [], amount = {};
var yWind, tWind, doras;
function Tile(node) {
this.id = node.children[0].src.match(/[A-Z0-9]+(?=.gif)/)[0];
this.inputId = node.htmlFor;
this.name = node.textContent;
if (this.name[1] === "-") {
this.value = Number(this.name[0]);
this.suit = this.name.substr(2);
} else {
this.value = this.name;
if (this.value === "Red" || this.value === "White" || this.value === "Green") {
this.suit = "dragon";
} else {
this.suit = "wind";
}
}
this.amount = function (offset) {
if (offset === 0) {
return amount[this.name];
}
if (this.suit === "dragon" || this.suit === "wind") {
return 0;
}
var n = this.value + offset;
if (n < 1 || n > 9) {
return 0;
}
if (!amount[n + "-" + this.suit]) {
amount[n + "-" + this.suit] = 0;
}
return amount[n + "-" + this.suit];
};
}
function find(id) {
return document.evaluate("//img[@height='32'][contains(@src,'" + id + ".gif')]", document, null, 7, null).snapshotLength;
}
function match(array, arrays) {
var i, j;
for (i = 0; i < arrays.length; i++) {
var good = true;
for (j = 0; j < arrays[i].length; j++) {
if (array[j] !== arrays[i][j] && arrays[i][j] !== -1 && !(arrays[i][j] === 1.5 && array[j] > 0)) {
good = false;
}
}
if (good) {
return true;
}
}
return false;
}
function init() {
var i;
var matches = document.evaluate('//label[img]', document, null, 7, null);
if (!matches.snapshotLength) {
return false;
}
for (i = 0; i < matches.snapshotLength; i++) {
tiles[i] = new Tile(matches.snapshotItem(i));
if (amount[tiles[i].name] > 0) {
amount[tiles[i].name]++;
} else {
amount[tiles[i].name] = 1;
}
}
yWind = document.evaluate("//td/b[contains(text(),'You (')]", document, null, 7, null).snapshotItem(0).textContent[5];
try {
tWind = document.evaluate("//td/b/b/i[contains(text(),'Tiles Left')]", document, null, 7, null).snapshotItem(0).parentNode.parentNode.firstChild.textContent[0];
} catch (e) {
tWind = 'E';
}
var dorasTitle = document.evaluate("//td/b/span/b[contains(text(),'Dora Indicators:')]", document, null, 7, null).snapshotItem(0).parentNode.title;
doras = dorasTitle.slice(91, dorasTitle.indexOf('] offsetx') - 1);
doras = doras.split(/\s/);
return true;
}
function selectTiles() {
var i, n, neighbors, results = [];
var reaches = document.evaluate("//td/font/b/i", document, null, 7, null);
if (reaches.snapshotLength > 0) {
reaches = reaches.snapshotItem(0).textContent;
reaches = reaches.replace(/\s/g, '').split(',');
for (i = 0; i < tiles.length; i++) {
for (n = 0; n < reaches.length; n++) {
if (tiles[i].name === reaches[n]) {
results.push(tiles[i]);
}
}
}
return results;
}
for (i = 0; i < tiles.length; i++) {
if ((tiles[i].suit === "dragon" || tiles[i].suit === "wind") && tiles[i].amount(0) === 1) {
results.push(tiles[i]);
}
}
if (results.length > 0) {
return results;
}
var pairs = 0;
for (i = 0; i < tiles.length; i++) {
var iso = true;
for (n = -2; n <= 2; n++) {
if (n !== 0 && tiles[i].amount(n) > 0) {
iso = false;
}
}
if (tiles[i].amount(0) > 1) {
iso = false;
}
if (tiles[i].amount(0) === 2) {
pairs++;
}
if (iso) {
results.push(tiles[i]);
}
}
if (results.length > 0) {
return results;
}
pairs /= 2;
for (i = 0; i < tiles.length; i++) {
neighbors = [];
for (n = -4; n <= 4; n++) {
neighbors[n + 4] = tiles[i].amount(n);
}
if (match(neighbors, [ [-1, -1, 0, 0, 1, 0, 1, 1, -1], [-1, 1, 1, 0, 1, 0, 0, -1, -1],
[-1, -1, 0, 0, 2, 1, 1, 0, -1], [-1, 0, 1, 1, 2, 0, 0, -1, -1],
[-1, -1, 0, 1, 2, 1, 0, 0, -1], [-1, 0, 0, 1, 2, 1, 0, -1, -1],
[0, 0, 3, 0, 1, 0, 0, -1, -1], [-1, -1, 0, 0, 1, 0, 3, 0, 0],
[-1, -1, 0, 0, 1, 1, 1, 1, 0], [0, 1, 1, 1, 1, 0, 0, -1, -1] ])) {
results.push(tiles[i]);
}
}
if (results.length > 0) {
return results;
}
if (pairs >= 3) {
for (i = 0; i < tiles.length; i++) {
if (tiles[i].amount(0) === 2) {
results.push(tiles[i]);
}
}
}
if (pairs === 1) {
for (i = 0; i < tiles.length; i++) {
neighbors = [];
for (n = -2; n <= 2; n++) {
neighbors[n + 2] = tiles[i].amount(n);
}
if (match(neighbors, [ [0, 0, 1, 2, 0], [0, 2, 1, 0, 0] ])) {
results.push(tiles[i]);
}
}
}
if (results.length > 0) {
return results;
}
for (i = 0; i < tiles.length; i++) {
neighbors = [];
for (n = -2; n <= 2; n++) {
neighbors[n + 2] = tiles[i].amount(n);
}
if (match(neighbors, [ [0, 0, 1, 0, 1.5], [1.5, 0, 1, 0, 0] ])) {
results.push(tiles[i]);
} else if (tiles[i].value === 1 && match(neighbors, [[0, 0, 1, 1, 0]])) {
results.push(tiles[i]);
} else if (tiles[i].value === 9 && match(neighbors, [[0, 1, 1, 0, 0]])) {
results.push(tiles[i]);
}
}
if (results.length > 0) {
return results;
}
for (i = 0; i < tiles.length; i++) {
neighbors = [];
for (n = -2; n <= 2; n++) {
neighbors[n + 2] = tiles[i].amount(n);
}
if (!match(neighbors, [ [1.5, 1.5, 1.5, -1, -1], [-1, 1.5, 1.5, 1.5, -1], [-1, -1, 1.5, 1.5, 1.5], [-1, -1, 3, -1, -1], [-1, -1, 4, -1, -1] ])) {
results.push(tiles[i]);
}
}
if (results.length > 0) {
return results;
}
return tiles;
}
function key_press(event) {
if (event.keyCode==68) {
if(document.forms.namedItem("tsumo")) {
window.removeEventListener("keyup", key_press, false); //Remove key listener
location.assign('javascript:tsumo.submit()');
} else if(document.forms.namedItem("takeron")) {
window.removeEventListener("keyup", key_press, false); //Remove key listener
location.assign('javascript:takeron.submit()');
} else if(document.forms.namedItem("startmj")) {
window.removeEventListener("keyup", key_press, false); //Remove key listener
location.assign('javascript:startmj.submit()');
} else if(document.forms.namedItem("reshuffle")) {
window.removeEventListener("keyup", key_press, false); //Remove key listener
location.assign('javascript:reshuffle.submit()');
} else if(document.forms.namedItem("discard")) {
window.removeEventListener("keyup", key_press, false); //Remove key listener
location.assign('javascript:discard.submit()');
} else if(document.forms.namedItem("passontake")) {
window.removeEventListener("keyup", key_press, false); //Remove key listener
location.assign('javascript:passontake.submit()');
} else if(document.forms.namedItem("backtohome2")) {
window.removeEventListener("keyup", key_press, false); //Remove key listener
location.assign('javascript:backtohome2.submit()');
}
}
}
if (init()) {
tiles = selectTiles();
var maxScore = -9001, bestTile, log = "";
var i, n;
for (n = 0; n < tiles.length; n++) {
log += tiles[n].name + ", ";
var id = tiles[n].id;
var score = find(id);
if (tiles[n].value > 1) {
score += find(id[0] + (Number(id.substr(1)) - 1)) / 2;
}
if (tiles[n].value < 9) {
score += find(id[0] + (Number(id.substr(1)) + 1)) / 2;
}
if (tiles[n].name === tWind) {
score -= 0.6;
}
if (tiles[n].name === yWind) {
score -= 0.6;
}
if (tiles[n].suit === "dragon") {
score -= 0.6;
}
for (i = 0; i < doras.length; i++) {
if (tiles[n].name === doras[i]) {
score -= 0.6;
}
}
if (score > maxScore) {
maxScore = score;
bestTile = tiles[n];
}
}
log = log.substr(0, log.length - 2);
console.log(log);
var input = document.getElementById(bestTile && bestTile.inputId);
if (input && !input.disabled) {
input.click();
}
input = document.getElementById("reachbutton");
if (input) {
input.click();
}
}
window.addEventListener("keyup", key_press, false);
}) ();
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